UCS1002-3 datasheet(54/114 Pages) MICROCHIP

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UCS1002-3

DS20006852A-page 54

 2023 Microchip Technology Inc. and its subsidiaries

10.3.2

PROFILE STATUS 2 REGISTER

These bits indicate which profile is accepted. These

bits are indicators only and do not cause the ALERT#

pin or A_DET# pin to change states.

These bits are cleared under the following circum-

stances:

• the PWR_EN control is disabled

• a new Active mode is selected

• a Removal Detection event occurs.

PROFILE STATUS 2 REGISTER (ADDRESS 13h)

U-x

R-0

—

LG7

LG6

LG5

LG4

LG3

LG2

LG1

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7

Unimplemented

bit 6

LG7: Indicates that the portable device successfully performed a handshake with the Legacy 7 charger

emulation profile and is charging. The high-speed switch is controlled via the HSW_DCE bit (see

Section 10.4.5 “High-Speed Switch Configuration Register”). The port power switch current limiting

mode is determined by the Custom current limiting behavior settings (see Section 10.14.2 “Custom

Current Limiting Behavior Configuration Register”).

1 = Handshake successful with the Legacy 7 charger emulation profile and charging.

0 = Not charging with Legacy 7 charger emulation profile.

bit 5

LG6: Indicates that the portable device successfully performed a handshake with the Legacy 6 charger

emulation profile and is charging. The high-speed switch is controlled via the HSW_DCE bit (see

Section 10.4.5 “High-Speed Switch Configuration Register”). The port power switch current limiting

mode is determined by the Custom current limiting behavior settings (see Section 10.14.2 “Custom

Current Limiting Behavior Configuration Register”).

1 = Handshake successful with the Legacy 6 charger emulation profile and charging.

0 = Not charging with Legacy 6 charger emulation profile.

bit 4

LG5: Indicates that the portable device successfully performed a handshake with the Legacy 5 charger

emulation profile and is charging. The high-speed switch is controlled via the HSW_DCE bit (see

Section 10.4.5 “High-Speed Switch Configuration Register”). The port power switch current limiting

mode is determined by the Custom current limiting behavior settings (see Section 10.14.2 “Custom

Current Limiting Behavior Configuration Register”).

1 = Handshake successful with the Legacy 5 charger emulation profile and charging.

0 = Not charging with Legacy 5 charger emulation profile.

bit 3

LG4: Indicates that the portable device successfully performed a handshake with the Legacy 4 charger

emulation profile and is charging. The high-speed switch is controlled via the HSW_DCE bit (see

Section 10.4.5 “High-Speed Switch Configuration Register”). The port power switch current limiting

mode is determined by the Custom current limiting behavior settings (see Section 10.14.2 “Custom

Current Limiting Behavior Configuration Register”).

1 = Handshake successful with the Legacy 4 charger emulation profile and charging.

0 = Not charging with Legacy 4 charger emulation profile.

bit 2

LG3: Indicates that the portable device successfully performed a handshake with the Legacy 3 charger

emulation profile and is charging. The high-speed switch is controlled via the HSW_DCE bit (see

Section 10.4.5 “High-Speed Switch Configuration Register”). The port power switch current limiting

mode is determined by the Custom current limiting behavior settings (see Section 10.14.2 “Custom

Current Limiting Behavior Configuration Register”).

1 = Handshake successful with the Legacy 3 charger emulation profile and charging.

0 = Not charging with Legacy 3 charger emulation profile.

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